KIT and colorectal carcinoma: However, the role of c-Kit in patients with colorectal cancer is unclear and former studies described divergent results: Friedrichs et al found elevated c-Kit expression to be rare (17.1%) in colorectal carcinomas [57], which was in accordance with other studies which found c-Kit to be expressed at very low levels in colorectal cancer samples using different techniques [58, 59].